18982917

素因数分解:

$3^5\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 28654080

約数和(自身を除く): 9671163

約数列:

[1, 3, 9, 27, 81, 191, 243, 409, 573, 1227, 1719, 3681, 5157, 11043, 15471, 33129, 46413, 78119, 99387, 234357, 703071, 2109213, 6327639, 18982917]

約数ペア:

[(1, 18982917), (3, 6327639), (9, 2109213), (27, 703071), (81, 234357), (191, 99387), (243, 78119), (409, 46413), (573, 33129), (1227, 15471), (1719, 11043), (3681, 5157)]